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Northwest Africa 7947 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7947 This is an OFFICIAL meteorite name. Abbreviation: NWA 7947 Observed fall: No Year found: 2013 Country: (Northwest Africa) Mass: 392 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 522 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 14 Nov 2013 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 102:
Northwest Africa 7947 (NWA 7947) (Northwest Africa) Purchased: 2013 May Classification: HED achondrite (Diogenite) History: Purchased in Temara, Morocco by Adam Aaronson in December 2012. Petrography: (A. Irving and S. Kuehner, UWS) Fresh clast-rich breccia composed predominantly of angular grains of orthopyroxene with accessory olivine, chromite, and minor troilite. Geochemistry: Orthopyroxene (Fs23.3-23.5Wo1.2-0.7; FeO/MnO = 28-31), olivine (Fa29.5-29.7; FeO/MnO = 46-48). Classification: Diogenite breccia. Specimens: 21.2 g of material and one polished thin section are at UWB. The remaining material is held by Aaronson. | ||||||||||||||||||||||||||||||
Data from: MB102 Table 0 Line 0: |
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Institutions and collections |
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Geography: |
Statistics: This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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